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* doc/ref/api-modules.texi (Creating Guile Modules): Document
#:re-export-and-replace.
* module/ice-9/boot-9.scm (module-replacements): New module field.
(make-module, make-autoload-interface): Initialize replacements to an
empty hash table.
(resolve-interface): Propagate replacement info when making custom
interfaces.
(define-module): Parse a #:re-export-and-replace keyword arg.
(define-module*): Handle #:re-export-and-replace.
(module-export!, module-re-export!): Add a keyword arg to indicate
whether to replace or not.
(module-replace!): Call module-export! with #:replace? #t.
(duplicate-handlers): Update replace duplicate handler to look for
replacement info on the interfaces.
* module/srfi/srfi-18.scm (srfi):
* module/srfi/srfi-34.scm (srfi): Update to #:re-export-and-replace
raise-continuable as raise.
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* module/ice-9/boot-9.scm (exception-kind, exception-args): Export.
* module/ice-9/exceptions.scm (exception-kind, exception-args):
Re-export.
* module/srfi/srfi-18.scm: Rewrite exception support in terms of core
exceptions, not SRFI-34/35.
* test-suite/tests/srfi-18.test: Since Guile doesn't expose the current
exception handler as such, SRFI-18 captures it using delimited
continuations. This means that we can't compare the result
of (current-exception-handler) with the installed handler using eq?,
even though the procedures are indeed equivalent. So, instead test
handler behavior.
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This is a followup to <https://bugs.gnu.org/29704>.
* module/srfi/srfi-18.scm (thread-sleep!): When TIMEOUT is a number,
keep it as-is.
* test-suite/tests/srfi-18.test ("thread sleep with number"): Pass 0 as
the timeout.
("thread sleeps fractions of a second"): Pass 0.5 as the timeout.
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Fixes <https://bugs.gnu.org/29704>.
Reported by David Beswick <dlbeswick@gmail.com>.
* module/srfi/srfi-18.scm (timeout->absolute-time): New procedure.
(mutex-lock!): Use it in 'thread:lock-mutex' call.
(mutex-unlock!): Use it.
* test-suite/tests/srfi-18.test ("mutex-lock! returns false on timeout")
("mutex-lock! returns true when lock obtained within timeout")
("recursive lock waits")
("mutex unlock is false when condition times out"): Adjust cases where
the 'timeout' parameter is a number so that it's a relative number.
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* module/srfi/srfi-18.scm (make-mutex): Not recursive.
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* module/srfi/srfi-18.scm (mutex-unlock!): Implement the
ignore-unlock-errors and wait-condition-variable behavior of
mutex-unlock! directly, without relying on Guile.
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* module/srfi/srfi-18.scm (<mutex>, with-thread-mutex-cleanup)
(make-mutex, mutex-state, abandon-mutex!, mutex-lock!): Manage
"abandoned" bit on Scheme side with no need for thread cleanup
handler.
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* doc/ref/srfi-modules.texi (SRFI-18 Threads): Update.
* module/srfi/srfi-18.scm (<mutex>): Add owner field.
(<thread>): New data type.
(make-thread): Adapt for boxed threads.
(thread-start!, thread-terminate!): Likewise.
(mutex-state): Adapt for boxed threads.
(mutex-lock!, mutex-unlock!): Update owner field.
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* module/srfi/srfi-18.scm (<condition-variable>): New data type.
(make-thread): Use srfi-18 interfaces.
(mutex-unlock!): Adapt to optional cond argument being disjoint from
Guile condition variables.
(make-condition-variable, condition-variable-signal!)
(condition-variable-broadcast!): Adapt.
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* module/srfi/srfi-18.scm (condition-variable-wait!): Remove undefined
export.
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* module/srfi/srfi-18.scm (<mutex>): Define as a wrapper type around
Guile mutexes.
(thread-mutexes): New variable.
(with-thread-mutex-cleanup): New facility to abandon mutexes on
SRFI-18 thread exit. Not yet used.
(make-thread): Use SRFI-18 interfaces.
(make-mutex): Reimplement for our boxed mutexes.
(mutex-state): Adapt.
(mutex-lock!): Adapt.
(mutex-unlock!): Adapt.
* test-suite/tests/srfi-18.test: Don't assume that SRFI-18 mutexes are
the same as Guile mutexes.
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* module/srfi/srfi-18.scm (%cancel-sentinel, thread-terminate!): Just
use cancel-thread to cause the thread to return a sentinel value.
(%timeout-sentinel): Rename from %sentinel.
(thread-join!): Adapt and transform %cancel-sentinel to a
&terminated-thread-exception.
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* module/srfi/srfi-18.scm (make-thread): Use just one cond/mutex pair
for signalling in both directions: waiting for launch and waiting for
start.
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* module/srfi/srfi-18.scm (thread-join!): Use optional args. Also don't
treat false return values from threads as meaning anything.
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* module/srfi/srfi-18.scm (make-thread): Inline some helpers, and use
just one catch block.
(thread->exception): Move up definition.
(exception-handler-for-foreign-threads): Use this as the default
handler, not the one that squirrels away exceptions in
thread->exception.
(thread-terminate!): Don't instate an exception handler for the thread
cleanup proc.
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* module/srfi/srfi-18.scm (with-exception-handlers-here): New function.
(wrap): Remove.
(thread-join!, mutex-lock!): Use with-exception-handlers-here instead
of the call/cc+wrap mess.
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* module/srfi/srfi-18.scm (srfi-18-exception-preserver): Inline into
call sites.
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* module/srfi/srfi-18.scm: Use srfi-35 conditions instead of our
home-grown equivalent system.
(thread-exception-handlers): Remove unused table.
(srfi-18-exception-handler): Always capture key consed to args; no
special case for bare key.
* test-suite/tests/srfi-18.test (provided?): Adapt to reason always
being key+args.
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* module/srfi/srfi-18.scm: Use srfi-34 internally with srfi-34: prefix.
(current-exception-handler): Be a parameter.
(with-exception-handler): Adapt to current-exception-handler change.
(thread-join!, mutex-lock!): Adapt to use srfi-34: prefix.
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* module/srfi/srfi-18.scm (make-mutex, make-condition-variable): Use
optional arguments.
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* module/srfi/srfi-18.scm (thread-sleep!): Use `when'.
(thread-terminate!): Simplify.
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* module/srfi/srfi-18.scm (thread-start!): Use `match'.
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* module/srfi/srfi-18.scm (raise): Rely on SRFI-34 to #:replace raise.
(make-thread): Use lambda* and when.
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* libguile/init.c (scm_i_init_guile): Don't call scm_init_thread_procs.
* libguile/threads.c (scm_init_ice_9_threads): Rename from
scm_init_thread_procs, make static.
(scm_init_threads): Register scm_init_thread_procs extension.
* libguile/threads.h (scm_init_thread_procs): Remove decl.
* module/ice-9/boot-9.scm: Load (ice-9 threads), so that related side
effects occur early.
* module/ice-9/deprecated.scm (define-deprecated): Fix to allow
deprecated bindings to appear in operator position. Export deprecated
bindings.
(define-deprecated/threads, define-deprecated/threads*): Trampoline
thread bindings to (ice-9 threads).
* module/ice-9/futures.scm: Use ice-9 threads.
* module/ice-9/threads.scm: Load scm_init_ice_9_threads extension.
Reorder definitions and imports so that the module circularity
with (ice-9 futures) continues to work.
* module/language/cps/intmap.scm:
* module/language/cps/intset.scm:
* module/language/tree-il/primitives.scm: Use (ice-9 threads).
* module/language/cps/reify-primitives.scm: Reify current-thread
in (ice-9 threads) module.
* module/srfi/srfi-18.scm: Use ice-9 threads with a module prefix, and
adapt all users. Use proper keywords in module definition form.
* test-suite/tests/filesys.test (test-suite):
* test-suite/tests/fluids.test (test-suite):
* test-suite/tests/srfi-18.test: Use ice-9 threads.
* NEWS: Add entry.
* doc/ref/api-scheduling.texi (Threads): Update.
* doc/ref/posix.texi (Processes): Move current-processor-count and
total-processor-count docs to Threads.
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Conflicts:
GUILE-VERSION
NEWS
guile-readline/ice-9/readline.scm
libguile/async.c
libguile/backtrace.c
libguile/deprecated.h
libguile/gc-malloc.c
libguile/gdbint.c
libguile/init.c
libguile/ioext.c
libguile/mallocs.c
libguile/print.c
libguile/rw.c
libguile/scmsigs.c
libguile/script.c
libguile/simpos.c
libguile/snarf.h
libguile/strports.c
libguile/threads.c
libguile/vm-i-scheme.c
libguile/vm-i-system.c
module/srfi/srfi-18.scm
test-suite/Makefile.am
test-suite/standalone/test-num2integral.c
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* module/srfi/srfi-18.scm (thread-sleep!): Correctly compute
microseconds.
* test-suite/tests/srfi-18.test: Add test.
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Fixes <http://debbugs.gnu.org/16890>.
Reported by Xin Wang <dram.wang@gmail.com>.
* module/srfi/srfi-18.scm: Reexport 'current-thread'.
* THANKS: Add "Xin Wang" to fixes section.
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* module/srfi/srfi-18.scm (with-exception-handler):
(thread-join!, mutex-lock!, mutex-unlock!): Avoid useless invocations
of `apply'.
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* module/ice-9/runq.scm (fork-strips): Remove.
* module/language/assembly.scm (*block-alignment*): Remove.
* module/language/assembly/disassemble.scm (disassemble-objects,
simplify): Remove.
* module/srfi/srfi-18.scm (mutex-owners): Remove.
* module/srfi/srfi-19.scm (leap-year?): Remove.
* module/system/base/compile.scm (dsu-sort): Remove.
* module/texinfo.scm (ascii->char): Remove.
* module/texinfo/html.scm (ignored?): Remove.
* module/texinfo/indexing.scm (def-name): Remove.
* module/texinfo/plain-text.scm (ignore): Remove.
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* module/ice-9/session.scm (help): Fix unbound reference to `env'.
* module/system/vm/program.scm (program-property): Fix typo.
* module/system/vm/frame.scm: Add missing `#:use-module (system vm
objcode)'.
* module/system/repl/command.scm (guile:load): New.
(load): Use either `primitive-load' or `load'.
* module/srfi/srfi-18.scm (thread-sleep!): Fix typo.
* module/srfi/srfi-19.scm: Use `(ice-9 rdelim)'.
(date->broken-down-time, priv:year-day, priv:char->int): Fix typo.
(time-*->time-*, time-*->time-*!): Fix reference to unbound variable
`caller'.
* module/oop/goops.scm (bound-check-get): Fix typo.
* module/language/glil/compile-assembly.scm (glil->assembly): Fix typo.
* module/language/glil.scm (parse-glil): Fix typo.
* module/language/ecmascript/base.scm (object->value/string,
object->value/number, ->number): Fix typos.
* module/language/assembly/disassemble.scm (disassemble-free-vars): Fix
typo.
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(Still guile-readline to do, but that will all be GPLv3+.)
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* module/srfi/srfi-18.scm (with-exception-handler): Hah! Fixed a
scurrilous bug in which we assumed that the thunk returned one or more
values. Hah.
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* module/language/tree-il/compile-glil.scm (flatten): For applications in
"drop" context, allow the procedure to return unspecified values
(including 0 values).
* test-suite/tests/tree-il.test ("application"): Adapt test.
* module/srfi/srfi-18.scm (wrap): Clarify.
* test-suite/tests/srfi-18.test: Fix so that the expression importing
srfi-18 is expanded before the tests. However the tests are still
failing, something about 0-valued returns...
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* .gitignore: Add gdb-pre-inst-guile.
* configure.in: Add module/srfi/Makefile.
* module/Makefile.am: Add srfi/.
* module/srfi/: SRFI scheme files moved here, and compiled.
* srfi/Makefile.am: Remove the bits about the scheme files.
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